<template>
  <view>
    <view class="search-box">
      <yxjack-my_search @click="gotoSearch"></yxjack-my_search>
    </view>
    <!-- 导航区域 -->
    <view class="nav-list">
      <view class="nav-item" v-for="(item, i) in navList" :key="i" @click="navClickHandler(item)">
        <image :src="item.image_src" class="nav-img"></image>
        <view class="item-name">{{item.name}}</view>
      </view>
    </view>
    <!-- 轮播图区域 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
      <!-- 循环渲染轮播图的 item 项 -->
      <swiper-item v-for="(item, i) in swiperList" :key="i">
        <navigator class="swiper-item" :url="'/subpkg/goods_detail/goods_detail?goods_id=' + item.goods_id">
          <image :src="item.image_src"></image>
        </navigator>
      </swiper-item>
    </swiper>
    <!-- 楼层区域 -->
    <view class="floor-list">
      <view class="floor-item" v-for="(item, i) in floorList.slice(1, floorList.length)" :key="i">
        <!-- 楼层标题 -->
        <image :src="item.floor_title.image_src" class="floor-title"></image>
       <!-- 楼层图片区域 -->
       <view class="floor-img-box">
         <!-- 左侧大图片的盒子 -->
         <navigator class="left-img-box" :url="item.product_list[0].url">
           <image :src="item.product_list[0].image_src" :style="{width: item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
         </navigator>
         <!-- 右侧 4 个小图片的盒子 -->
         <view class="right-img-box">
           <navigator class="right-img-item" v-for="(item2, i2) in item.product_list" :key="i2" v-show="i2 !== 0" :url="item2.url">
             <image :src="item2.image_src" mode="widthFix" :style="{width: item2.image_width + 'rpx'}"></image>
           </navigator>
         </view>
       </view>
       
      </view>
    </view>

  </view>
</template>

<script>
  import badgeMix from '@/mixins/tabbar-badge.js'
  export default {
    mixins: [badgeMix],
    data() {
      return {
        //轮播图数据列表
        swiperList: [{
          "image_src": "../../static/img/lbt1.png",
          "goods_id": 129
        }, {
          "image_src": "../../static/img/lbt2.png",
          "goods_id": 395
        }, {
          "image_src": "../../static/img/lbt3.png",
          "goods_id": 38
        }],
        //导航区数据列表
        navList: [{
          "name":"类别",
          "image_src": "../../static/img/类别.png"
        }, {
          "name": "农产",
          "image_src": "../../static/img/农产.png"
        }, {
          "name": "出行",
          "image_src": "../../static/img/出行.png"
        }, {
          "name": "民宿",
          "image_src": "../../static/img/民宿.png"
        }],
        floorList: []
      };
    },
    onLoad() {
      this.getFloorList()
    },
    methods: {
      // nav-item 项被点击时候的事件处理函数
      navClickHandler(item) {
        // 判断点击的是哪个 nav
        console.log(item)
        if (item.name === '类别') {
          uni.switchTab({
            url: '/pages/cate/cate'
          })
        }
      },
      //定义获取楼层列表数据的方法
      async getFloorList() { // { ：}解构赋值
        const { data: res} = await uni.$http.get('/api/public/v1/home/floordata')
        if (res.meta.status !== 200) return uni.$showMsg()
        // 通过双层 forEach 循环，处理 URL 地址
          res.message.forEach(floor => {
            floor.product_list.forEach(prod => {
              prod.url = '/subpkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
            })
          })
        this.floorList = res.message
      },
      gotoSearch(){
        uni.navigateTo({
           url: '/subpkg/search/search'
         })
      }
    }
  }
</script>

<style lang="scss">
  swiper {
    height: 330rpx;
    margin-bottom: 20rpx;
    .swiper-item,
    image {
      width: 100%;
      height: 100%;
    }
  }

  .nav-list {
    display: flex;
    justify-content: space-around;
    margin: 30rpx 0;

    .nav-img {
      width: 120rpx;
      height: 120rpx;
    }

  }

  .nav-item {
    .item-name {
      margin-left: 25rpx;
    }
  }

  .floor-title {
    height: 60rpx;
    width: 100%;
    display: flex;
  }
.right-img-box {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-around;
}

.floor-img-box {
  display: flex;
  padding-left: 10rpx;
}
.search-box {
  // 设置定位效果为“吸顶”
  position: sticky;
  // 吸顶的“位置”
  top: 0;
  // 提高层级，防止被轮播图覆盖
   z-index: 999;
}
</style>